Can create groups

classes/components/GroupsComponent.php

@@ -0,0 +1,72 @@
+<?php
+/**
+ * Groups component
+ * 
+ * @author Pierre HUBERT
+ */
+
+class GroupsComponent {
+
+    /**
+     * Groups list table
+     */
+    const GROUPS_LIST_TABLE = DBprefix . "groups";
+
+    /**
+     * Groups members table
+     */
+    const GROUPS_MEMBERS_TABLE = DBprefix."groups_members";
+
+    /**
+     * Create a new group
+     * 
+     * @param NewGroup $newGroup Information about the new group
+     * to create
+     * @return int The ID of the created group / -1 in case of failure
+     */
+    public function create(NewGroup $newGroup) : int {
+
+        //Insert the group in the database
+        db()->addLine(self::GROUPS_LIST_TABLE, array(
+            "time_create" => $newGroup->get_time_sent(),
+            "userid_create" => $newGroup->get_userID(),
+            "name" => $newGroup->get_name()
+        ));
+
+        //Get the ID of the last inserted group
+        $groupID = db()->getLastInsertedID();
+
+        //Check for errors
+        if(!$groupID > 0)
+            return -1;
+
+        //Register the user who created the group as an admin of the group
+        $member = new GroupMember;
+        $member->set_group_id($groupID);
+        $member->set_userID($newGroup->get_userID());
+        $member->set_time_sent($newGroup->get_time_sent());
+        $member->set_level(GroupMember::ADMINISTRATOR);
+        $this->insertMember($member);
+
+        return $groupID;
+    }
+
+    /**
+     * Insert a new group member
+     * 
+     * @param GroupMember $member Information about the member to insert
+     * @return bool TRUE for a success / FALSE else
+     */
+    private function insertMember(GroupMember $member) : bool {
+        return db()->addLine(self::GROUPS_MEMBERS_TABLE, array(
+            "groups_id" => $member->get_group_id(),
+            "user_id" => $member->get_userID(),
+            "time_create" => $member->get_time_sent(),
+            "level" => $member->get_level()
+        ));
+    }
+
+}
+
+//Register component
+Components::register("groups", new GroupsComponent());